The first step in the industrial manufacture of nitric acid involves the catalytic oxidation of ammonia according to the following equation 4NH3 (9) - 50- (g) → 4NO (9) - 6H20 (9) How many grams of water are formed if 25 moles of ammonia (NH3) are oxidized?
10.15 g
125.6 g
12.33 g
67.50 g
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process